330 ORCHIDES, 
bilocularis, loculis obsolete 4-locellatis. Pollinia 2, utrinque 
4-lobum, materia pulverea parea, vero e 8 massulis format. 
Ovar. glabrum. 
Arundina bambusafolia, Lindley, Orchid. 125. 
Fol. distichis sed certe non plicatis. 
Anth. loculis bilocellatis, loculis obsolete, iterum obsolete 
locellatis. Pollen facile solu 
1. Flower just expanding. 
2. Do. opened, viewed in front. 
3. Labellum and column. 
4. Labellum laid open. 
5. Column. 
6. Do. anther removed. 
7. Anther with pollinia viewed from beneath. 
8. Section of anther between the cells. 
9. Pollinia laid open. 
10. Pollinia of one cell. 
11. Pollinia viewed in water. 
2. Arundina affinis Gr. 
Erecta spithamzea 13 pedalis ; fol. Monito: linearia acuta 
coriacea atro-viridia 5-nervia, nervis minoribus binis quaque 
interjectis. Spica terminalis. Bractez ochrezformes, breves, 
ovario 4-plo breviores, flores distantes. Sepala oblongo-lan- 
ceolata plurivenia obtusa, patento-reflexa, carnea. 
Pet. oblongo-ovata, obtusa l-venia. 
Labellum cucullatum, marginibus supra columnam convo- 
lutis, 3-lobum, lobis lateralibus obsoletissimis, terminale ob- 
longo, bifido, crispato repando, bicristatum ; cristis carnosis 
elevatis sinuatis, venosis, purpureis; saccum medio late 
lutescens, cristis luteis bases versus purpureis. 
olumna semiteres clavata apice marginata, margine 
in antheram supra incumbent; 3-dentata, dente media anthe- 
ram affigente. 
 Rostellum deflexum obsolete 3-dentatum, dente media 
: majore, potius truncat, lateraliter introflexum. 
